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Property overview

5140 S Union Ave

Chicago, IL 60609

Who owns 5140 S Union Ave, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordStone Equity IncMailing address: 1518 W Thomas St, Arlngton Hts IL 60004Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Parcel 20-09-301-036-0000 · Public research profile
Motivated Seller IndexDRAFT MODEL
100/100
About 9 in 100 homes with these signals sold within six months (11.8× the Chicago rate)100% of model checks have usable evidence

A measured sell-signal score from public records: 4 positive signals observed. It is a base rate for homes like this, not a statement about this owner. How it works ↓

2024 aerial photo of the parcel at 5140 S Union Ave, Chicago, IL
Aerial 2024 with parcel boundary · Cook County GIS
Assessed value$15,001.00 assessed (land $938.00 · building $14,063.00); Cook assesses class 2 at 10%, implying about $150,000.00 market value
Tax statusNot in the Clerk delinquent file
Ownership tenureSince April 2025
Property typeMulti-Family, 2 story, frame (class 211)

THE INDEX

Why this MSI reads 100

Draft model

4 of 12 checked public signals observed, covering 100% of the model. The score is public; the signal-by-signal reasons, source documents, and owner details are in LienSuite.

Method and limits. MSI v0.2-chicago-2026-09 weights twelve public signals by how much each one changed the recorded six-month sale rate across all 566,000 Chicago homes, checked on a holdout the model never saw (the top 1% of homes by score sold at 4.8× the citywide rate): vacancy complaint +22, new-construction or demolition permit +17, renovation permit +16, unpermitted-work complaint +16, upkeep complaint +15, bought within the last two years +11, building-violation complaint +9, delinquent property tax +8, owner mails out of state +4, permit valued at $25,000 or more +4, owner mails to the property -5, owned for 20 years or more -10. The "in 100 homes" figure is the model's fitted probability for this combination of signals. It describes homes like this one in aggregate; it is not a claim about this owner's intentions, and it is not LienSuite's paid deal score.

THE RECORD

Property details

Dated sources
Property type
Multi-Family, 2 story, frame (class 211)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Owner of record
Stone Equity Inc (mailing address 1518 W Thomas St, Arlngton Hts IL 60004)
Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Assessment year
2025
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Assessed value
$15,001.00 assessed (land $938.00 · building $14,063.00); Cook assesses class 2 at 10%, implying about $150,000.00 market value
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Living area
2,444 sq ft, full basement
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Beds and baths
6 beds · 2 bath
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Year built
1898 (condition rated Average)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Lot size
3,125 sq ft
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Last recorded sale
$45,100.00 other deed, April 17, 2025
Observed Sep 19, 2026 · Cook County Assessor parcel sales (open data)
Building permits
Renovation/Alteration issued February 25, 2026: 2019 cbc: renovation of existing 2 flat damaged by fire. work calls for selective demo of damaged framing and replacement of those members;
Observed Sep 19, 2026 · City of Chicago Building Permits (open data)
Open building violations
3 open violations since December 17, 2025: arrange completed permit insp.; plans & permits req - contrctr; blank-text must cite code sect
Observed Sep 19, 2026 · City of Chicago Building Violations (open data)
311 complaints
1 in the last 12 months: no building permit and construction violation (1)
Observed Sep 19, 2026 · City of Chicago 311 Service Requests (open data)

Parcel reference: 20-09-301-036-0000. Facts reflect the listed observation dates and may have changed since then.

OWNERSHIP AND TAXES

Research snapshot

Observed tax balanceNot in the Clerk delinquent file
Delinquency period—
Last recorded transferApril 17, 2025
Transfer amount$45,100.00

Observed Sep 19, 2026 · Cook County Clerk delinquent file (balance) and Assessor parcel sales (transfer). A tax balance is not proof that a property is for sale.

CHANGES OVER TIME

Property timeline

  1. Permit: Renovation/Alteration

    2019 CBC: RENOVATION OF EXISTING 2 FLAT DAMAGED BY FIRE. WORK CALLS FOR SELECTIVE DEMO OF DAMAGED FRAMING AND REPLACEMENT OF THOSE MEMBERS;.

    City of Chicago Building Permits (open data) · checked Sep 19, 2026
  2. City inspection: 3 violations

    arrange completed permit insp.; plans & permits req - contrctr; blank-text must cite code sect.

    City of Chicago Building Violations (open data) · checked Sep 19, 2026
  3. Recorded sale

    $45,100.00, other deed.

    Cook County Assessor parcel sales (open data) · checked Sep 19, 2026

NEARBY

More records nearby

Facts on this page reflect their observation dates. Confirm the parcel and current records with the county before acting.